package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;
@Mapper
public interface ShoppingCartMapper {

    /*
    * 动态查询条件
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);


    /*
    * 根据id修改商品数量
    * */
    @Update("update shopping_cart set number =#{number} where id = #{id}")
    void updateNumById(ShoppingCart shoppingCart);

    /*
    * 插入购物车数据
    * */
    @Insert("insert into shopping_cart (id, name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) VALUE " +
            "(#{id},#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*
    * 根据用户id删除数据
    * */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void delete(Long userId);

    /*
    * 根据id删除购物车数据，清空购物车
    * */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);


    /*
    * 批量插入购物车数据
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
